main{
    .coupon{
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        text-align: center;
        li{ 
            width: 50%;
            border: .01rem solid #eee;
           a{
               display: block;
                color: #000;
               .img{
                   width: 100%;
                   img{
                       width: 100%;
                   }
               }
               h2{
                   font-size: .18rem;
               }
           }
        }
    }
}